GORMAN-RUPP PUMPS 80 Series Installation, Operation, And Maintenance Manual With Parts List
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OM-02165-01
April 9, 1984
Rev. D 08‐30‐13
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
80 SERIES PUMP
MODEL
81 1/2P47A-E2 3P
THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO
www.grpumps.com
D
GORMAN‐RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A.
e
1984 The Gorman‐Rupp Company
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Summary of Contents for GORMAN-RUPP PUMPS 80 Series
- Page 1 OM-02165-01 April 9, 1984 Rev. D 08‐30‐13 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 80 SERIES PUMP MODEL 81 1/2P47A-E2 3P THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO www.grpumps.com GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A.
- Page 2 Register your new Gorman‐Rupp pump online at www.grpumps.com Valid serial number and e‐mail address required. RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below. Your Gorman‐Rupp distributor needs this information when you require parts or service. Pump Model: Serial Number:...
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Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY ‐... - Page 4 TABLE OF CONTENTS (continued) PUMP AND SEAL DISASSEMBLY AND REASSEMBLY ......PAGE E - 4 Pump Casing and Vane Plate Removal .
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Page 5: Introduction
Phone: (519) 631-2870 pump. This pump is an 80 Series, semi‐open impeller, self‐ The following are used to alert maintenance per priming centrifugal model without a suction check sonnel to procedures which require special atten... -
Page 6: Safety - Section A
80 SERIES OM-02165 SAFETY ‐ SECTION A This information applies to 80 Series fied temperatures and concentrations. electric motor driven pumps. Refer to Do not attempt to pump volatile or flam the manual accompanying the motor mable materials which may damage the before attempting to begin operation. - Page 7 OM-02165 80 SERIES Do not install and operate a non‐explo Never run this pump backwards. Be cer sion proof motor in an explosive atmo tain that rotation is correct before fully sphere. Install, connect, and operate engaging the pump. the motor in accordance with the Na...
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Page 8: Installation - Section B
80 SERIES OM-02165 INSTALLATION - SECTION B Review all SAFETY information in Section A. specific application. Since the pressure supplied to the pump is critical to performance and safety, Since pump installations are seldom identical, this be sure to limit the incoming pressure to 50% of the... -
Page 9: Positioning Pump
OM-02165 80 SERIES ing, check for loose hardware at mating sur POSITIONING PUMP faces. Lifting c. Carefully read all tags, decals, and markings Pump unit weights will vary depending on the on the pump assembly, and perform all duties mounting and drive provided. Check the shipping indicated. -
Page 10: Line Configuration
80 SERIES OM-02165 compatible with the liquid being pumped. If hose is suction and discharge ports and install the lines. used in suction lines, it must be the rigid‐wall, rein Installation closer to the pump may result in erratic forced type to prevent collapse under suction. Us... -
Page 11: Sealing
OM-02165 80 SERIES Sealing of the suction pipe. The baffle will allow entrained air to escape from the liquid before it is drawn into Since even a slight leak will affect priming, head, the suction inlet. and capacity, especially when operating with a... -
Page 12: Discharge Lines
80 SERIES OM-02165 process. This may be accomplished by installing a DISCHARGE LINES bypass line from the top of the pump, back to the source of liquid. The end of the bypass line must be Siphoning submerged. The line must be large enough to pre... -
Page 13: Operation - Section C
OM-02165 80 SERIES OPERATION - SECTION C Review all SAFETY information in Section A. cated (see LUBRICATION in MAINTENANCE AND REPAIR). Follow the instructions on all tags, labels and decals attached to the pump. This pump is self‐priming, but the pump should never be operated unless there is liquid in the pump casing. -
Page 14: Operation
OM-02165 80 SERIES Rotation filled, adjust the throttling valve to the required flow rate. The correct direction of pump rotation is counter clockwise when facing the impeller. The pump Leakage could be damaged and performance adversely af No leakage should be visible at pump mating sur... -
Page 15: Pump Vacuum Check
OM-02165 80 SERIES Pump Vacuum Check Since this pump does not have a suction check valve, the discharge line must be fitted with a check If the application involves a high discharge valve if a pump vacuum reading is to be taken. -
Page 16: Troubleshooting - Section D
80 SERIES OM-02165 TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. Before attempting to open or service the pump: 1. Familiarize yourself with this manual. 2. Disconnect the incoming power to the motor and lock it out to ensure that the pump will remain inoperative. - Page 17 OM-02165 80 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Leaking or worn seal or pump gasket. Check pump vacuum. Replace FAILS TO DELIVER leaking or worn seal or gasket. RATED FLOW OR Impeller clogged. Free impeller of debris.
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Page 18: Preventive Maintenance
80 SERIES OM-02165 equipped) between regularly scheduled inspec PREVENTIVE MAINTENANCE tions can indicate problems that can be corrected Since pump applications are seldom identical, and before system damage or catastrophic failure oc pump wear is directly affected by such things as curs. -
Page 19: Pump Maintenance And Repair - Section E
80 SERIES OM-02165 PUMP MAINTENANCE AND REPAIR ‐ SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL 81 1/2P47A-E2 3P Based on 70_ F (21_ C) clear water at sea level with minimum suction lift. - Page 20 OM-02165 80 SERIES SECTION DRAWING PARTS PAGE Figure 1. Pump Model 81 1/2P47A-E2 3P PAGE E - 2 MAINTENANCE & REPAIR...
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Page 21: Parts List: Pump Model
80 SERIES OM-02165 PARTS LIST Pump Model 81 1/2P47A-E2 3P (From S/N 801781 Up) If your pump serial number is followed by an “N”, your pump is NOT a standard production model. Contact the Gorman‐Rupp Company to verify part numbers. -
Page 22: Pump And Seal Disassembly And Reassembly
OM-02164 80 SERIES PUMP AND SEAL DISASSEMBLY 4. Check the temperature before opening any covers, plates, or AND REASSEMBLY plugs. 5. Close the suction and discharge Review all SAFETY information in Section A. valves. 6. Vent the pump slowly and cau... -
Page 23: Seal Removal
80 SERIES OM-02164 Inspect the impeller and replace it if cracked or flammable. Use them only in a well‐ven badly worn. Slide the impeller adjusting shims (12) tilated area free from excessive heat, off the impeller shaft. Tie and tag the shims, or sparks, and flame. -
Page 24: Impeller Installation
OM-02164 80 SERIES SPRING BELLOWS INTERMEDIATE IMPELLER IMPELLER IMPELLER SHAFT ROTATING ELEMENT RETAINER STATIONARY ROTATING ELEMENT SEAT Figure 3. Seal Assembly mounting flange pointed down. Secure the inter mediate to the motor (9) with the hardware 97 and 8). Torque the capscrews (7) alternately to 55 in. -
Page 25: Vane Plate And Pump Casing Installation
80 SERIES OM-02164 peller key (4) and slide the impeller onto the shaft, flow guide to the pump casing (1) by torquing the taking care not to damage the sealing elements. self‐tapping screws (22) in an alternating pattern to 8 to 10 ft. lbs. (0,9 to 1,1 m. kg.). - Page 26 For U.S. and International Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419-755-1280 International: +1-419-755-1352 For Canadian Warranty Information, Please Visit www.grcanada.com/warranty or call: 519-631-2870 THE GORMAN‐RUPP COMPANY D MANSFIELD, OHIO GORMAN‐RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA...
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